16435587441 has 32 divisors (see below), whose sum is σ = 26990215168. Its totient is φ = 8663215680.

The previous prime is 16435587391. The next prime is 16435587449. The reversal of 16435587441 is 14478553461.

It is a de Polignac number, because none of the positive numbers 2^k-16435587441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16435587449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381120 + ... + 422046.

It is an arithmetic number, because the mean of its divisors is an integer number (843444224).

Almost surely, 2^16435587441 is an apocalyptic number.

It is an amenable number.

16435587441 is a deficient number, since it is larger than the sum of its proper divisors (10554627727).

16435587441 is a wasteful number, since it uses less digits than its factorization.

16435587441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42421.

The product of its digits is 1612800, while the sum is 48.

The spelling of 16435587441 in words is "sixteen billion, four hundred thirty-five million, five hundred eighty-seven thousand, four hundred forty-one".